Quick overview from the supplier:
850W ATX Power supply Chieftec Polaris 3.0 PPS-850FC-A3, 850W, 135mm FDB Silent fan, PCIe GEN 5 with 80 PLUS GOLD, ATX 12V 3.0, EPS12V, Cable management, Active PFC (Power Factor Correction) (sursa de alimentare/блок питания)
